<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <input type="text" v-model="num" placeholder="请输入0-100之间的整数" ><!--用双向绑定在data中定义一个num,来接收用户输入的值-->
  <input type="button" value="猜一猜" @click="f()">
  <h1>{{info}}</h1>
</div>
<!--引入Vue-->
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
  let x = parseInt(Math.random()*101);
  let v = new Vue({
    el:"div",
    data:{
      info:"测试结果",
      num:""
    },
    methods: {
      f: function () {
        if(v.num>x){
          v.info="猜大了"
        }else if (v.num<x){
          v.info="猜小了"
        }else{
          v.info="恭喜你,猜对了!"
        }
      }
    }
  })
</script>
</body>
</html>